304828340 has 12 divisors (see below), whose sum is σ = 640139556. Its totient is φ = 121931328.

The previous prime is 304828339. The next prime is 304828369. The reversal of 304828340 is 43828403.

It can be written as a sum of positive squares in 2 ways, for example, as 118287376 + 186540964 = 10876^2 + 13658^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 304828297 and 304828306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7620689 + ... + 7620728.

It is an arithmetic number, because the mean of its divisors is an integer number (53344963).

Almost surely, 2^304828340 is an apocalyptic number.

It is an amenable number.

304828340 is an abundant number, since it is smaller than the sum of its proper divisors (335311216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

304828340 is a wasteful number, since it uses less digits than its factorization.

304828340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15241426 (or 15241424 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 304828340 is about 17459.3338933649. Note that the first 3 decimals coincide. The cubic root of 304828340 is about 673.0052421347.

The spelling of 304828340 in words is "three hundred four million, eight hundred twenty-eight thousand, three hundred forty".